Files
ModemManager/plugins/mm-modem-option-utils.c

452 lines
14 KiB
C

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details:
*
* Copyright (C) 2010 Red Hat, Inc.
*/
/******************************************
* Generic utilities for Option NV modems
* Used with both 'option' and 'hso'
******************************************/
#include "mm-callback-info.h"
#include "mm-at-serial-port.h"
#include "mm-generic-gsm.h"
#include "mm-modem-helpers.h"
static void
option_get_allowed_mode_done (MMAtSerialPort *port,
GString *response,
GError *error,
gpointer user_data)
{
MMCallbackInfo *info = (MMCallbackInfo *) user_data;
gboolean parsed = FALSE;
if (error)
info->error = g_error_copy (error);
else if (!g_str_has_prefix (response->str, "_OPSYS: ")) {
int a, b;
if (sscanf (response->str + 8, "%d,%d", &a, &b)) {
MMModemGsmAllowedMode mode = MM_MODEM_GSM_ALLOWED_MODE_ANY;
switch (a) {
case 0:
mode = MM_MODEM_GSM_ALLOWED_MODE_2G_ONLY;
break;
case 1:
mode = MM_MODEM_GSM_ALLOWED_MODE_3G_ONLY;
break;
case 2:
mode = MM_MODEM_GSM_ALLOWED_MODE_2G_PREFERRED;
break;
case 3:
mode = MM_MODEM_GSM_ALLOWED_MODE_3G_PREFERRED;
break;
default:
break;
}
mm_callback_info_set_result (info, GUINT_TO_POINTER (mode), NULL);
parsed = TRUE;
}
}
if (!error && !parsed)
info->error = g_error_new_literal (MM_MODEM_ERROR, MM_MODEM_ERROR_GENERAL,
"Could not parse allowed mode results");
mm_callback_info_schedule (info);
}
static void
option_get_allowed_mode (MMGenericGsm *gsm,
MMModemUIntFn callback,
gpointer user_data)
{
MMCallbackInfo *info;
MMAtSerialPort *port;
info = mm_callback_info_uint_new (MM_MODEM (gsm), callback, user_data);
port = mm_generic_gsm_get_best_at_port (gsm, &info->error);
if (!port) {
mm_callback_info_schedule (info);
return;
}
mm_at_serial_port_queue_command (port, "AT_OPSYS?", 3, option_get_allowed_mode_done, info);
}
static void
option_set_allowed_mode_done (MMAtSerialPort *port,
GString *response,
GError *error,
gpointer user_data)
{
MMCallbackInfo *info = (MMCallbackInfo *) user_data;
if (error)
info->error = g_error_copy (error);
mm_callback_info_schedule (info);
}
static void
option_set_allowed_mode (MMGenericGsm *gsm,
MMModemGsmAllowedMode mode,
MMModemFn callback,
gpointer user_data)
{
MMCallbackInfo *info;
MMAtSerialPort *port;
char *command;
int i;
info = mm_callback_info_new (MM_MODEM (gsm), callback, user_data);
port = mm_generic_gsm_get_best_at_port (gsm, &info->error);
if (!port) {
mm_callback_info_schedule (info);
return;
}
switch (mode) {
case MM_MODEM_GSM_ALLOWED_MODE_2G_ONLY:
i = 0;
break;
case MM_MODEM_GSM_ALLOWED_MODE_3G_ONLY:
i = 1;
break;
case MM_MODEM_GSM_ALLOWED_MODE_2G_PREFERRED:
i = 2;
break;
case MM_MODEM_GSM_ALLOWED_MODE_3G_PREFERRED:
i = 3;
break;
case MM_MODEM_GSM_ALLOWED_MODE_ANY:
default:
i = 5;
break;
}
command = g_strdup_printf ("AT_OPSYS=%d,2", i);
mm_at_serial_port_queue_command (port, command, 3, option_set_allowed_mode_done, info);
g_free (command);
}
static gboolean
octi_to_mm (char octi, MMModemGsmAccessTech *out_act)
{
if (octi == '1') {
*out_act = MM_MODEM_GSM_ACCESS_TECH_GSM;
return TRUE;
} else if (octi == '2') {
*out_act = MM_MODEM_GSM_ACCESS_TECH_GPRS;
return TRUE;
} else if (octi == '3') {
*out_act = MM_MODEM_GSM_ACCESS_TECH_EDGE;
return TRUE;
}
return FALSE;
}
static gboolean
owcti_to_mm (char owcti, MMModemGsmAccessTech *out_act)
{
if (owcti == '1') {
*out_act = MM_MODEM_GSM_ACCESS_TECH_UMTS;
return TRUE;
} else if (owcti == '2') {
*out_act = MM_MODEM_GSM_ACCESS_TECH_HSDPA;
return TRUE;
} else if (owcti == '3') {
*out_act = MM_MODEM_GSM_ACCESS_TECH_HSUPA;
return TRUE;
} else if (owcti == '4') {
*out_act = MM_MODEM_GSM_ACCESS_TECH_HSPA;
return TRUE;
}
return FALSE;
}
static gboolean
parse_octi_response (GString *response, MMModemGsmAccessTech *act)
{
MMModemGsmAccessTech cur_act = MM_MODEM_GSM_ACCESS_TECH_UNKNOWN;
const char *p;
GRegex *r;
GMatchInfo *match_info;
char *str;
gboolean success = FALSE;
g_return_val_if_fail (act != NULL, FALSE);
g_return_val_if_fail (response != NULL, FALSE);
p = mm_strip_tag (response->str, "_OCTI:");
r = g_regex_new ("(\\d),(\\d)", G_REGEX_UNGREEDY, 0, NULL);
g_return_val_if_fail (r != NULL, FALSE);
g_regex_match (r, p, 0, &match_info);
if (g_match_info_matches (match_info)) {
str = g_match_info_fetch (match_info, 2);
if (str && octi_to_mm (str[0], &cur_act)) {
*act = cur_act;
success = TRUE;
}
g_free (str);
}
g_match_info_free (match_info);
g_regex_unref (r);
return success;
}
static void
ossys_octi_request_done (MMAtSerialPort *port,
GString *response,
GError *error,
gpointer user_data)
{
MMModemGsmAccessTech act = MM_MODEM_GSM_ACCESS_TECH_UNKNOWN;
if (!error) {
if (parse_octi_response (response, &act))
mm_generic_gsm_update_access_technology (MM_GENERIC_GSM (user_data), act);
}
}
static void
ossys_owcti_request_done (MMAtSerialPort *port,
GString *response,
GError *error,
gpointer user_data)
{
const char *p;
MMModemGsmAccessTech act = MM_MODEM_GSM_ACCESS_TECH_UNKNOWN;
if (!error) {
p = mm_strip_tag (response->str, "_OWCTI:");
if (owcti_to_mm (*p, &act))
mm_generic_gsm_update_access_technology (MM_GENERIC_GSM (user_data), act);
}
}
static void
option_ossys_tech_changed (MMAtSerialPort *port,
GMatchInfo *info,
gpointer user_data)
{
MMModemGsmAccessTech act = MM_MODEM_GSM_ACCESS_TECH_UNKNOWN;
char *str;
str = g_match_info_fetch (info, 1);
if (str) {
switch (atoi (str)) {
case 0:
act = MM_MODEM_GSM_ACCESS_TECH_GPRS;
break;
case 2:
act = MM_MODEM_GSM_ACCESS_TECH_UMTS;
break;
default:
break;
}
}
g_free (str);
mm_generic_gsm_update_access_technology (MM_GENERIC_GSM (user_data), act);
/* _OSSYSI only indicates general 2G/3G mode, so queue up some explicit
* access technology requests.
*/
if (act == MM_MODEM_GSM_ACCESS_TECH_GPRS)
mm_at_serial_port_queue_command (port, "_OCTI?", 3, ossys_octi_request_done, user_data);
else if (act == MM_MODEM_GSM_ACCESS_TECH_UMTS)
mm_at_serial_port_queue_command (port, "_OWCTI?", 3, ossys_owcti_request_done, user_data);
}
static void
option_2g_tech_changed (MMAtSerialPort *port,
GMatchInfo *match_info,
gpointer user_data)
{
MMModemGsmAccessTech act = MM_MODEM_GSM_ACCESS_TECH_UNKNOWN;
char *str;
str = g_match_info_fetch (match_info, 1);
if (octi_to_mm (str[0], &act))
mm_generic_gsm_update_access_technology (MM_GENERIC_GSM (user_data), act);
g_free (str);
}
static void
option_3g_tech_changed (MMAtSerialPort *port,
GMatchInfo *match_info,
gpointer user_data)
{
MMModemGsmAccessTech act = MM_MODEM_GSM_ACCESS_TECH_UNKNOWN;
char *str;
str = g_match_info_fetch (match_info, 1);
if (owcti_to_mm (str[0], &act))
mm_generic_gsm_update_access_technology (MM_GENERIC_GSM (user_data), act);
g_free (str);
}
static void
option_signal_changed (MMAtSerialPort *port,
GMatchInfo *match_info,
gpointer user_data)
{
char *str;
int quality = 0;
str = g_match_info_fetch (match_info, 1);
quality = atoi (str);
g_free (str);
if (quality == 99) {
/* 99 means unknown */
quality = 0;
} else {
/* Normalize the quality */
quality = CLAMP (quality, 0, 31) * 100 / 31;
}
mm_generic_gsm_update_signal_quality (MM_GENERIC_GSM (user_data), (guint32) quality);
}
static void
option_register_unsolicted_handlers (MMGenericGsm *modem, MMAtSerialPort *port)
{
GRegex *regex;
regex = g_regex_new ("\\r\\n_OSSYSI:\\s*(\\d+)\\r\\n", G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
mm_at_serial_port_add_unsolicited_msg_handler (port, regex, option_ossys_tech_changed, modem, NULL);
g_regex_unref (regex);
regex = g_regex_new ("\\r\\n_OCTI:\\s*(\\d+)\\r\\n", G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
mm_at_serial_port_add_unsolicited_msg_handler (port, regex, option_2g_tech_changed, modem, NULL);
g_regex_unref (regex);
regex = g_regex_new ("\\r\\n_OUWCTI:\\s*(\\d+)\\r\\n", G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
mm_at_serial_port_add_unsolicited_msg_handler (port, regex, option_3g_tech_changed, modem, NULL);
g_regex_unref (regex);
regex = g_regex_new ("\\r\\n_OSIGQ:\\s*(\\d+),(\\d)\\r\\n", G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
mm_at_serial_port_add_unsolicited_msg_handler (port, regex, option_signal_changed, modem, NULL);
g_regex_unref (regex);
}
static void
unsolicited_msg_done (MMAtSerialPort *port,
GString *response,
GError *error,
gpointer user_data)
{
MMCallbackInfo *info = user_data;
if (info)
mm_callback_info_chain_complete_one (info);
}
static void
option_change_unsolicited_messages (MMGenericGsm *modem,
gboolean enabled,
MMModemFn callback,
gpointer user_data)
{
MMCallbackInfo *info = NULL;
MMAtSerialPort *primary;
if (callback) {
info = mm_callback_info_new (MM_MODEM (modem), callback, user_data);
mm_callback_info_chain_start (info, 4);
}
primary = mm_generic_gsm_get_at_port (modem, MM_PORT_TYPE_PRIMARY);
g_assert (primary);
mm_at_serial_port_queue_command (primary, enabled ? "_OSSYS=1" : "_OSSYS=0", 3, unsolicited_msg_done, info);
mm_at_serial_port_queue_command (primary, enabled ? "_OCTI=1" : "_OCTI=0", 3, unsolicited_msg_done, info);
mm_at_serial_port_queue_command (primary, enabled ? "_OUWCTI=1" : "_OUWCTI=0", 3, unsolicited_msg_done, info);
mm_at_serial_port_queue_command (primary, enabled ? "_OSQI=1" : "_OSQI=0", 3, unsolicited_msg_done, info);
}
static void
get_act_octi_request_done (MMAtSerialPort *port,
GString *response,
GError *error,
gpointer user_data)
{
MMCallbackInfo *info = user_data;
MMModemGsmAccessTech octi = MM_MODEM_GSM_ACCESS_TECH_UNKNOWN;
MMModemGsmAccessTech owcti;
if (!error) {
if (parse_octi_response (response, &octi)) {
/* If no 3G tech yet or current tech isn't 3G, then 2G tech is the best */
owcti = GPOINTER_TO_UINT (mm_callback_info_get_data (info, "owcti"));
if (octi && !owcti)
mm_callback_info_set_result (info, GUINT_TO_POINTER (octi), NULL);
}
}
mm_callback_info_chain_complete_one (info);
}
static void
get_act_owcti_request_done (MMAtSerialPort *port,
GString *response,
GError *error,
gpointer user_data)
{
MMCallbackInfo *info = user_data;
MMModemGsmAccessTech owcti = MM_MODEM_GSM_ACCESS_TECH_UNKNOWN;
const char *p;
if (!error) {
p = mm_strip_tag (response->str, "_OWCTI:");
if (owcti_to_mm (*p, &owcti)) {
/* 3G tech always takes precedence over 2G tech */
if (owcti)
mm_callback_info_set_result (info, GUINT_TO_POINTER (owcti), NULL);
}
}
mm_callback_info_chain_complete_one (info);
}
static void
option_get_access_technology (MMGenericGsm *modem,
MMModemUIntFn callback,
gpointer user_data)
{
MMAtSerialPort *port;
MMCallbackInfo *info;
info = mm_callback_info_uint_new (MM_MODEM (modem), callback, user_data);
mm_callback_info_chain_start (info, 2);
port = mm_generic_gsm_get_best_at_port (modem, &info->error);
if (!port) {
mm_callback_info_schedule (info);
return;
}
mm_at_serial_port_queue_command (port, "_OCTI?", 3, get_act_octi_request_done, info);
mm_at_serial_port_queue_command (port, "_OWCTI?", 3, get_act_owcti_request_done, info);
}